This document bag is made of Oxford cloth material, mainly used to hold books, documents, and exercise books, with zipper bag mouth, double-layer large capacity, waterproof, firm and wear-resistant, installed with a wider hand, strong, support customization, a variety of colors can be selected. 1 location includes the shipping cost to US. Orders of 1,500 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.